Grok-2 Image 1212 vs Llama 3.1 405B Instruct
Comparing Grok-2 Image 1212 and Llama 3.1 405B Instruct across benchmarks, pricing, and capabilities.
xAI · Meta · Updated for 2026
Which is better?
Grok-2 Image 1212 and Llama 3.1 405B Instruct trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
Grok-2 Image 1212 also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok-2 Image 1212
- you process long inputs — it offers a 131,072 token context window
- you want the most recent training data — it shipped Dec 2024
Choose Llama 3.1 405B Instruct
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
0 reported for Grok-2 Image 1212 · 18 for Llama 3.1 405B Instruct
Grok-2 Image 1212 and Llama 3.1 405B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Grok-2 Image 1212 accepts 131,072 input tokens compared to Llama 3.1 405B Instruct's 128,000 tokens. Only Llama 3.1 405B Instruct specifies output context (128,000 tokens).
License
Usage and distribution terms
Grok-2 Image 1212 is licensed under a proprietary license, while Llama 3.1 405B Instruct uses Llama 3.1 Community License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Llama 3.1 Community License
Open weights
Release Timeline
When each model was launched
Grok-2 Image 1212 was released on 2024-12-12, while Llama 3.1 405B Instruct was released on 2024-07-23.
Grok-2 Image 1212 is 5 months newer than Llama 3.1 405B Instruct.
Dec 12, 2024
1.7 years ago
4mo newerJul 23, 2024
2.1 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Grok-2 Image 1212 is available from xAI. Llama 3.1 405B Instruct is available from Lambda, DeepInfra, Fireworks, Bedrock, Together, Hyperbolic, Google, Replicate.
Grok-2 Image 1212
Llama 3.1 405B Instruct
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok-2 Image 1212 and Llama 3.1 405B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok-2 Image 1212 vs Llama 3.1 405B Instruct.